Bob Hadley
Bob Hadley is the R&D manager for a California-based consumer products company. He holds a Sport Pilot certificate and a Light-Sport Repairman certificate with inspection authorization for his Jabiru J250-SP.
Home Shop Machinist
Conrad Norquist shows how the 6061 tubes supplied with Airdrome Aeroplanes kits are easily bent using wood templatesMechanics from aviation's golden age did...
Parallels, Stops, and Travel Limiters
Although the title might suggest it, this is not about parallel parking, speeding tickets, or driving of any kind.
Chasing the Elusive Thread
Chasing a thread (B) on the lathe involves engaging the feed system to make several passes using the 60-degree thread-form tool (A) until...
Machinery Mobilization
Rich Seifert next to his Shopsmith Mark V combo machine. Factory wheels make the Mark V easy to maneuver.
I've yet to meet someone...
In Case You Missed It
Design Process: Strakes and Ventral Fins
On some airplanes, the basic empennage does not provide acceptable flying qualities in all...
Build It Better: When 1+1 Does Not Equal 2
Paul Dye explains how to achieve unlike (or dissimilar) redundancy on the various systems in your homebuilt.
Know Your (Operating) Limitations
Experimental aircraft are issued "special" airworthiness certificates, and those come with specific operating limitations.
Broken Tailwheel Chain Link
Tailwheels and their associated linkage should be carefully preflighted. Here’s a partially broken tailwheel...